In Michigan, there is no state law specifying how old a child must be to be left alone. However, we have guidance from two sources: 1. Michigan’s child support laws are also used to regulate the share of child care costs that a non-custodial parent must pay. According to that law, no child care costs have to be shared after the end of the summer when the child becomes twelve. 2. The State of Michigan Child Protection Handbook discusses "Improper Supervision" and states: “According to the...
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